/* =========================================================================
   BESTOFKA.CZ - Design System & Custom Styles
   Colors: #000000 (Black), #FFFFFF (White), #EEEEEE (Light Grey)
   Fonts: Anton (Headings), Instrument Sans (Body)
   ========================================================================= */

/* CSS Reset & Variables */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-grey: #a0a0a0;
    --color-border: #333333;

    --font-heading: 'Anton', sans-serif;
    --font-body: 'Instrument Sans', sans-serif;

    /* 12 Column Grid */
    --grid-columns: 12;
    --grid-gap: 24px;
    --container-max: 1600px;
    --container-padding: clamp(20px, 5vw, 60px);

    --transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.loaded {
    opacity: 1;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
    /* Fix for Chrome GSAP scaling noise/artifacts */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

button,
input,
select,
textarea {
    font: inherit;
}

ul,
ol {
    list-style: none;
}

/* =========================================================================
   TYPOGRAPHY
   ========================================================================= */

h1,
h2,
h3,
h4,
.font-heading {
    font-family: var(--font-heading);
    text-transform: uppercase;
    line-height: 1.1;
    letter-spacing: 0.02em;
    font-weight: 400;
}

.hero__title {
    font-size: clamp(3rem, 8vw, 7rem);
    display: flex;
    flex-direction: column;
}

.title-primary {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    line-height: 1.5;
    padding-top: 0.3em;
    overflow: visible;
}

.title-secondary {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-grey);
    max-width: 60ch;
    margin-bottom: 2rem;
}

.text-large {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    line-height: 1.4;
    margin-bottom: 1.5rem;
    color: #eeeeee;
}

.text-highlight {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 600;
    margin-bottom: 2rem;
    font-style: italic;
}

/* =========================================================================
   COMPONENTS
   ========================================================================= */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 1.125rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    border-radius: 4px;
}

.btn--outline {
    border: 1px solid var(--color-white);
    color: var(--color-white);
    background: transparent;
}

.btn--outline:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-white);
}

.btn--white:hover {
    background: transparent;
    color: var(--color-white);
}

.btn--full {
    width: 100%;
}

.link-arrow {
    display: inline-flex;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    border-bottom: 1px solid var(--color-white);
    padding-bottom: 2px;
}

.link-arrow:hover {
    color: var(--color-grey);
    border-color: var(--color-grey);
}

.mt-4 {
    margin-top: 2rem;
}

.text-center {
    text-align: center;
}

/* =========================================================================
   LAYOUT & SECTIONS
   ========================================================================= */

section {
    padding: clamp(60px, 10vw, 120px) var(--container-padding);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem var(--container-padding);
    background: transparent;
    transition: background 0.3s ease, padding 0.3s ease, backdrop-filter 0.3s ease;
}

.header--scrolled {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.75rem var(--container-padding);
}

.header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
}

.nav__list {
    display: flex;
    gap: 2rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav__list a:hover {
    color: var(--color-grey);
}

.header__logo a {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 22px;
    /* Zmenšeno z 40px, aby logo nepůsobilo obrovsky */
    width: auto;
}

.header__cta {
    justify-self: end;
}

.header__cta .btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    position: relative;
    transition: background 0.2s ease-out;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    left: 0;
    transition: transform 0.2s ease-out, top 0.2s ease-out;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

.menu-toggle.active .hamburger {
    background: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Responsive Header */
@media (max-width: 900px) {
    .header__inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .header__logo a {
        justify-content: flex-start;
    }

    .header__cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.95);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 99;
    }

    .nav.nav--open {
        opacity: 1;
        visibility: visible;
    }

    .nav__list {
        flex-direction: column;
        text-align: center;
        gap: 2.5rem;
        font-size: 1.5rem;
    }
}

/* Hero Section - Asymmetric Layout */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 100px;
}

.hero__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto 1fr;
    gap: var(--grid-gap);
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    align-items: end;
    /* Align items to bottom of their grid areas */
}

/* Horní část textu (nadpis část 1) */
.hero__top-text {
    grid-column: 7 / 13;
    /* Centered over the image area */
    grid-row: 1;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1ch;
    justify-content: center;
}

.hero__top-text .hero__title-line.top {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 6rem);
    line-height: 1;
    text-transform: uppercase;
}

/* Spodní část textu (hlavní blok vlevo) */
.hero__bottom-text {
    grid-column: 1 / 5;
    grid-row: 2;
    padding-right: 1rem;
    padding-bottom: 2rem;
    align-self: start;
    padding-top: 2rem;
}

.hero__description {
    margin-top: 2rem;
    color: var(--color-grey);
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    line-height: 1.7;
    max-width: 380px;
}

.hero__description p {
    margin-bottom: 1em;
}

.hero__description .text-highlight {
    color: var(--color-white);
    font-style: italic;
    font-weight: 600;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 5rem);
    line-height: 1.30;
}

.hero__title-line {
    display: block;
}

.hero__title-line--right {
    text-align: right;
}

/* Blok s obrázkem (vpravo dole) */
.hero__image-wrapper {
    grid-column: 5 / 13;
    grid-row: 2;
    position: relative;
    height: 65vh;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    filter: grayscale(100%) contrast(1.1);
}

.hero__year {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    mix-blend-mode: difference;
}

.hero__scroll {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    mix-blend-mode: difference;
}

@media (max-width: 1024px) {
    .hero {
        padding-top: 120px;
        align-items: flex-start;
    }

    .hero__top-text {
        grid-column: 1 / -1;
        margin-bottom: 1rem;
    }

    .hero__bottom-text {
        grid-column: 1 / -1;
        grid-row: 3;
        padding-bottom: 0;
        margin-top: 2rem;
    }

    .hero__image-wrapper {
        grid-column: 1 / -1;
        grid-row: 2;
        height: 50vh;
    }
}

/* About Text */
.about-text__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--grid-gap);
    max-width: var(--container-max);
    margin: 0 auto;
}

.about-text__heading {
    grid-column: 1 / 5;
}

.about-text__body {
    grid-column: 5 / 11;
}

@media (max-width: 900px) {

    .about-text__heading,
    .about-text__body {
        grid-column: 1 / -1;
    }
}

/* Promotional Banner Section */
.promo {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: clamp(80px, 15vw, 150px) var(--container-padding);
}

.promo__grid {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.promo__title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-family: var(--font-heading);
    text-transform: none;
    /* Keep lowercase style from screenshot */
}

.promo__title span {
    display: block;
}

.promo__images {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    width: 100%;
}

.promo__image-wrap {
    flex: 1;
    /* By default take equal space */
    position: relative;
    overflow: hidden;
}

/* Middle image is wider than the outer two */
.promo__image-wrap--large {
    flex: 2;
    /* Takes twice the space of the small ones */
    aspect-ratio: 4 / 3;
}

.promo__image-wrap--small {
    aspect-ratio: 3 / 4;
}

.promo__image-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .promo__images {
        flex-direction: column;
    }

    .promo__image-wrap {
        width: 100%;
        max-width: 500px;
        /* Constrain max width on mobile */
    }
}

/* Packages */
.packages {
    background-color: #0a0a0a;
}

.packages__header {
    max-width: var(--container-max);
    margin: 0 auto;
}

.packages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 2rem;
    max-width: var(--container-max);
    margin: 0 auto;
}

.package-card {
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.package-card:hover {
    border-color: #555;
    transform: translateY(-5px);
}

.package-card__image-container {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.package-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(80%);
    transition: var(--transition);
}

.package-card:hover .package-card__image {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.package-card__content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.package-card__subtitle {
    font-size: 0.875rem;
    text-transform: uppercase;
    color: var(--color-grey);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    display: block;
}

.package-card__title {
    font-size: 1.75rem;
    line-height: 1.25;
    /* Increased from base 1.1 to prevent diacritic overlap */
    margin-bottom: 2rem;
    font-family: var(--font-heading);
}

.package-card__features {
    margin-bottom: 2rem;
    flex-grow: 1;
}

.package-card__features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.package-card__features li:last-child {
    border-bottom: none;
}

.package-card__features li.faded {
    color: var(--color-grey);
}

.package-card__price {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-top: auto;
}

.package-card--gift {
    justify-content: center;
    background: var(--color-white);
    color: var(--color-black);
}

.package-card--gift .package-card__subtitle {
    color: #666;
}

.package-card--gift .package-card__features li {
    border-color: #eee;
}

.package-card--gift .btn--outline {
    border-color: var(--color-black);
    color: var(--color-black);
}

.package-card--gift .btn--outline:hover {
    background: var(--color-black);
    color: var(--color-white);
}

/* Gallery - Masonry Layout */
.gallery__grid {
    max-width: var(--container-max);
    margin: 3rem auto 0;
    column-count: 1;
    column-gap: 1rem;
}

@media (min-width: 600px) {
    .gallery__grid {
        column-count: 2;
    }
}

@media (min-width: 900px) {
    .gallery__grid {
        column-count: 3;
    }
}

@media (min-width: 1200px) {
    .gallery__grid {
        column-count: 4;
    }
}

.gallery__item {
    width: 100%;
    margin-bottom: 1rem;
    display: block;
    break-inside: avoid;
    border-radius: 4px;
    /* Default for a bit softer look */
    transition: transform 0.3s ease;
}

.gallery__item:hover {
    transform: translateY(-5px);
}

.gallery__cta {
    display: flex;
    justify-content: flex-end;
    /* Posune tlačítko vpravo */
    max-width: var(--container-max);
    margin: 3rem auto 0;
    padding: 0 var(--container-padding);
}

/* Contact Section */
.contact__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--grid-gap);
    max-width: var(--container-max);
    margin: 0 auto;
}

.contact__info {
    grid-column: 1 / 6;
}

.contact__form-wrapper {
    grid-column: 7 / 13;
}

.contact__detail-item {
    margin-bottom: 2rem;
}

.detail-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-grey);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.detail-value,
.social-links a {
    font-size: 1.25rem;
    font-family: var(--font-heading);
    display: flex;
    gap: 1rem;
}

.social-links a:hover,
.detail-value:hover {
    color: var(--color-grey);
}

/* Form Styles */
.form__group {
    margin-bottom: 1.5rem;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form__label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form__input {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-white);
    transition: var(--transition);
    border-radius: 0;
}

.form__input:focus {
    outline: none;
    border-color: var(--color-white);
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem top 50%;
    background-size: 0.65em auto;
}

.form__select option {
    background: var(--color-black);
    color: var(--color-white);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-grey);
    text-align: center;
}

@media (max-width: 900px) {

    .contact__info,
    .contact__form-wrapper {
        grid-column: 1 / -1;
    }

    .form__row {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 4rem var(--container-padding) 2rem;
}

.footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
    margin-bottom: 4rem;
}

.footer__title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer__text {
    color: var(--color-grey);
    max-width: 400px;
}

.footer__contact-info {
    margin-top: 1.5rem;
    color: var(--color-grey);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer__contact-info a {
    color: var(--color-grey);
    text-decoration: none;
}

.footer__contact-info a:hover {
    opacity: 0.7;
}

.footer__col--right {
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
}

.footer__socials a {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    text-align: right;
}

.footer__socials a:hover {
    opacity: 0.7;
}

.footer__bottom {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-grey);
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .footer__col--right {
        justify-content: flex-start;
        margin-top: 2rem;
    }

    .footer__socials a {
        text-align: left;
    }
}

/* =========================================================================
   ANIMATIONS & REVEAL EFFECTS
   ========================================================================= */

/* Reveal Classes (Controlled by GSAP JS now) */
/* Initial states are defined in main.js using gsap.set(), so no CSS is strictly needed here */